JPH07187437A - Supporting device of rotating shaft - Google Patents
Supporting device of rotating shaftInfo
- Publication number
- JPH07187437A JPH07187437A JP33174493A JP33174493A JPH07187437A JP H07187437 A JPH07187437 A JP H07187437A JP 33174493 A JP33174493 A JP 33174493A JP 33174493 A JP33174493 A JP 33174493A JP H07187437 A JPH07187437 A JP H07187437A
- Authority
- JP
- Japan
- Prior art keywords
- rotating shaft
- bearing
- rotary shaft
- delivery roller
- driven transmission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Delivering By Means Of Belts And Rollers (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、給紙装置における搬送
装置などに好適な回転軸の支持装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rotary shaft supporting device suitable for a conveying device in a paper feeding device.
【０００２】[0002]
【従来の技術】給紙装置において、搬送用ゴムローラ等
の消耗時に、ユーザがこれを交換する場合、工具を用い
ないで外すことが望ましいが、従来の装置では、Ｅリン
グや樹脂製の止め輪等を使ってセットおよび取り外しを
行っていた。2. Description of the Related Art In a paper feeding device, when a user replaces a rubber roller for conveyance when the rubber roller is worn out, it is desirable to remove it without using a tool. In the conventional device, an E ring or a resin snap ring is used. Etc. were used to set and remove.
【０００３】[0003]
【発明が解決しようとする課題】しかし、前記構造で
は、Ｅ状の係止リング等は紛失しやすく、また変形など
が生じて再利用し難いなどの問題があった。However, in the above structure, there are problems that the E-shaped locking ring and the like are easily lost and that they are deformed and are difficult to reuse.
【０００４】前記問題の対策として、図５に示すよう
に、ゴムローラ10の回転軸11を駆動軸12とは別にして、
駆動ギヤ14と従動ギヤ15を外し、ゴムローラ10部のみを
受け部13から強制的に外す機構も知られているが、この
場合、駆動系が複雑でコストがかかってしまうという問
題があった。As a countermeasure against the above-mentioned problem, as shown in FIG. 5, the rotating shaft 11 of the rubber roller 10 is separated from the driving shaft 12,
There is also known a mechanism in which the drive gear 14 and the driven gear 15 are disengaged and only the rubber roller 10 is forcibly disengaged from the receiving portion 13. However, in this case, there was a problem that the drive system was complicated and costly.
【０００５】本発明の目的は、ユーザが簡単に回転軸を
交換することができ、低コスト化を図ることができる回
転軸の支持装置を提供することにある。An object of the present invention is to provide a supporting device for a rotary shaft, which allows a user to easily replace the rotary shaft and reduce the cost.
【０００６】[0006]
【課題を解決するための手段】前記目的を達成するた
め、本発明は、回転軸の一端に、駆動伝達手段と着脱自
在でかつ駆動連結される被駆動伝達部を形成し、さらに
前記回転軸の他端に、軸方向にある範囲移動可能でかつ
スプリングによって外側に付勢された軸受を設けたこと
を特徴とする。To achieve the above object, according to the present invention, a driven transmission portion which is detachably connected to drive transmission means and is drivingly connected is formed at one end of the rotation shaft, and the rotation shaft is further provided. At the other end, a bearing that is movable in a certain axial direction and is urged outward by a spring is provided.
【０００７】また、前記軸受を受ける側板と当接する前
記軸受の面を球状に形成したことを特徴とする。Further, the surface of the bearing which comes into contact with the side plate for receiving the bearing is formed into a spherical shape.
【０００８】また、前記駆動伝達手段と被駆動伝達部が
係合した状態で、駆動連結に至るまでの案内を行う案内
部を少なくとも一方に形成したことを特徴とする。Further, it is characterized in that at least one of the guide portions is formed to guide the drive connection while the drive transmission means and the driven transmission portion are engaged with each other.
【０００９】[0009]
【作用】前記構成の回転軸の支持装置によれば、回転軸
を軸受方向に押圧すると、スプリングの力に抗して回転
軸は移動し、被駆動伝達部が駆動伝達手段から離脱す
る。この状態で軸受を中心として回転軸を、例えば、上
方に回動して引き抜くと、軸受が側板から外れるので、
簡単に回転軸を取り外すことができる。According to the supporting device for a rotating shaft having the above construction, when the rotating shaft is pressed in the bearing direction, the rotating shaft moves against the force of the spring, and the driven transmission portion is separated from the drive transmission means. In this state, if the rotary shaft is rotated around the bearing as a center and is pulled out by rotating upward, for example, the bearing comes off the side plate.
The rotating shaft can be easily removed.
【００１０】また、軸受の側板当接面を球状としたの
で、取り外し時の回転軸の回動動作がスムーズになる。Further, since the side plate contact surface of the bearing is spherical, the rotating operation of the rotary shaft at the time of removal becomes smooth.
【００１１】また、案内部を設けたので、駆動伝達手段
と被駆動伝達部との駆動連結を確実に行うことができ
る。Further, since the guide portion is provided, the drive connection between the drive transmission means and the driven transmission portion can be surely performed.
【００１２】[0012]
【実施例】以下、図面を参照しながら本発明の実施例を
説明する。Embodiments of the present invention will be described below with reference to the drawings.
【００１３】図１は一実施例の回転軸の支持装置の分解
斜視図、図２は組立状態の側面図であり、１は回転軸、
２はこの回転軸１の中央に固定されたスポンジ製の搬送
ローラ、３は回転軸１に外嵌されたコイル状のスプリン
グ、４は回転軸１と相対的に移動可能な軸受、５はＥ状
の係止リング、６は図示しない装置本体側に設けられた
加圧コロ、７は後側板９に取り付けられた駆動ボス、８
は軸受４が軸支される前側板、９は後側板である。FIG. 1 is an exploded perspective view of a support device for a rotary shaft according to an embodiment, FIG. 2 is a side view in an assembled state, and 1 is a rotary shaft,
Reference numeral 2 is a sponge-made conveying roller fixed to the center of the rotary shaft 1, 3 is a coiled spring fitted on the rotary shaft 1, 4 is a bearing movable relative to the rotary shaft 1, and 5 is E. -Shaped locking ring, 6 is a pressure roller provided on the main body of the apparatus (not shown), 7 is a drive boss attached to the rear plate 9, and 8 is a drive boss.
Is a front plate on which the bearing 4 is pivotally supported, and 9 is a rear plate.
【００１４】搬送ローラ２の交換時は、搬送ローラ２を
前側板８側に押圧すると、スプリング３の弾発力に抗し
て、回転軸１が軸受４方向(矢印Ａ方向)に移動し、駆動
ボス７に嵌合されている被駆動伝達部１aが外れる。こ
の時点で軸受４側を支点に回転軸１を上方(矢印Ｂ方向)
に持ち上げ、矢印Ｃ方向に引き抜くことで、回転軸１を
両側板８，９から取り外すことができる。When the transport roller 2 is replaced, when the transport roller 2 is pressed toward the front side plate 8, the rotating shaft 1 moves in the bearing 4 direction (direction of arrow A) against the elastic force of the spring 3. The driven transmission portion 1a fitted to the driving boss 7 is released. At this point, the bearing 4 side is used as a fulcrum and the rotary shaft 1 is moved upward (direction of arrow B)
The rotary shaft 1 can be removed from the side plates 8 and 9 by lifting it up and pulling it out in the direction of arrow C.
【００１５】軸受４の、前側板８の当接面は、球状部４
aとなっているため、回転軸１を上方に持ち上げる際、
スムーズに行うことができる。The contact surface of the front plate 8 of the bearing 4 has a spherical portion 4
Since it is a, when lifting the rotary shaft 1 upward,
It can be done smoothly.
【００１６】図３は回転軸を取り付けるときの様子を示
す説明図であり、取り外した状態の回転軸１の端部の軸
受４を矢印Ｄのように、まず前側板８に嵌合し、次いで
矢印Ｅ方向に回転軸１を倒し、スプリング３を圧縮した
状態で被駆動伝達部１aを駆動ボス７の中空部に対面さ
せて、操作者による付勢力を解くと、スプリング３の弾
発力により被駆動伝達部１aが駆動ボス７に嵌合され
る。駆動ボス７には長さＬ分だけの案内部７aがあり、
被駆動伝達部１aの位置合わせをしなくても、案内部７a
の作用により両者は駆動連結される。FIG. 3 is an explanatory view showing how the rotary shaft is attached. The bearing 4 at the end of the rotary shaft 1 in the removed state is first fitted to the front side plate 8 as shown by arrow D, and then the front plate 8 is fitted. When the rotating shaft 1 is tilted in the direction of the arrow E and the driven transmission portion 1a is faced to the hollow portion of the drive boss 7 in a state where the spring 3 is compressed and the biasing force of the operator is released, the spring force of the spring 3 causes The driven transmission portion 1a is fitted to the drive boss 7. The drive boss 7 has a guide portion 7a having a length of L,
Even if the driven transmission portion 1a is not aligned, the guide portion 7a
Both are drive-connected by the action of.
【００１７】図４(a)，(b)は軸受部の比較図であり、図
４(a)の如く、当接面Ｓが角張っている従来の軸受４と
異なり、本実施例では図４(b)のように、球状部４aを設
けているので、回転軸１の回動はスムーズになる。FIGS. 4 (a) and 4 (b) are comparison views of the bearing portion. Unlike the conventional bearing 4 having a square contact surface S as shown in FIG. 4 (a), in this embodiment, FIG. Since the spherical portion 4a is provided as shown in (b), the rotation of the rotary shaft 1 becomes smooth.
【００１８】[0018]
【発明の効果】以上説明したように、本発明の回転軸の
支持装置は、請求項１記載の発明によれば、回転軸と軸
受を相対的に移動可能としたので、回転軸を軸方向に移
動させて容易に着脱することができ、交換作業性を向上
させることができる。As described above, according to the invention of claim 1, the rotating shaft supporting device of the present invention allows the rotating shaft and the bearing to move relative to each other. It can be easily attached and detached by moving it to, and the exchange workability can be improved.
【００１９】請求項２記載の発明によれば、軸受の側板
当接面を球状としたので、取り外し時の回転軸の回動動
作がスムーズになる。According to the second aspect of the invention, since the side plate contact surface of the bearing is spherical, the rotating operation of the rotary shaft at the time of removal becomes smooth.
【００２０】請求項３記載の発明によれば、案内部を設
けたので、駆動伝達手段と被駆動伝達部との駆動連結を
確実に行うことができる。According to the third aspect of the present invention, since the guide portion is provided, the drive connection between the drive transmission means and the driven transmission portion can be reliably performed.
【図１】本発明の回転軸の支持装置の一実施例の分解斜
視図である。FIG. 1 is an exploded perspective view of an embodiment of a rotating shaft support device of the present invention.
【図２】図１に示す回転軸の支持装置の組立状態の側面
図である。FIG. 2 is a side view of the support device for the rotary shaft shown in FIG. 1 in an assembled state.
【図３】図１に示す回転軸の支持装置の回転軸を取り付
けるときの様子を示す説明図である。FIG. 3 is an explanatory view showing a state when the rotary shaft of the rotary shaft supporting device shown in FIG. 1 is attached.
【図４】本発明の実施例と従来例の軸受部の比較図であ
る。FIG. 4 is a comparative view of a bearing portion of an example of the present invention and a conventional example.
【図５】従来例の搬送ローラ部の構造を示す図である。FIG. 5 is a diagram showing a structure of a conventional conveyance roller unit.
１…回転軸、 １a…被駆動伝達部、 ３…スプリン
グ、 ４…軸受、 ４a…球状部、 ７…駆動ボス、
８…前側板。DESCRIPTION OF SYMBOLS 1 ... Rotating shaft, 1a ... Driven transmission part, 3 ... Spring, 4 ... Bearing, 4a ... Spherical part, 7 ... Driving boss,
8 ... Front plate.
Claims (3)
在でかつ駆動連結される被駆動伝達部を形成し、さらに
前記回転軸の他端に、軸方向にある範囲移動可能でかつ
スプリングによって外側に付勢された軸受を設けたこと
を特徴とする回転軸の支持装置。1. A driven transmission portion that is detachably connected to a drive transmission means and is drivingly connected to one end of the rotary shaft, and further has a spring that is movable in a certain axial direction at the other end of the rotary shaft. A support device for a rotating shaft, characterized in that a bearing urged to the outside by means of is provided.
受の面を球状に形成したことを特徴とする請求項１記載
の回転軸の支持装置。2. The support device for a rotating shaft according to claim 1, wherein a surface of the bearing that is in contact with a side plate that receives the bearing is formed in a spherical shape.
した状態で、駆動連結に至るまでの案内を行う案内部を
少なくとも一方に形成したことを特徴とする請求項１記
載の回転軸の支持装置。3. The rotating shaft according to claim 1, wherein at least one of the guide portions is formed to guide the drive connection while the drive transmission means and the driven transmission portion are engaged with each other. Support device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33174493A JPH07187437A (en) | 1993-12-27 | 1993-12-27 | Supporting device of rotating shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33174493A JPH07187437A (en) | 1993-12-27 | 1993-12-27 | Supporting device of rotating shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07187437A true JPH07187437A (en) | 1995-07-25 |
Family
ID=18247133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP33174493A Pending JPH07187437A (en) | 1993-12-27 | 1993-12-27 | Supporting device of rotating shaft |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07187437A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0871078A1 (en) * | 1997-04-11 | 1998-10-14 | Xerox Corporation | Integral drive roll bearing assembly |
| JP2006011112A (en) * | 2004-06-28 | 2006-01-12 | Ricoh Co Ltd | Process cartridge image forming apparatus |
| JP2008201532A (en) * | 2007-02-20 | 2008-09-04 | Saxa Inc | Support structure for roller |
| JP2009040512A (en) * | 2007-08-06 | 2009-02-26 | Kyocera Mita Corp | Paper feeder and image forming device having the same |
| JP2010150022A (en) * | 2008-12-26 | 2010-07-08 | Ricoh Co Ltd | Paper aligning device, paper stacking device, and image forming device |
-
1993
- 1993-12-27 JP JP33174493A patent/JPH07187437A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0871078A1 (en) * | 1997-04-11 | 1998-10-14 | Xerox Corporation | Integral drive roll bearing assembly |
| US6070870A (en) * | 1997-04-11 | 2000-06-06 | Xerox Corporation | Integral drive roll bearing assembly |
| JP2006011112A (en) * | 2004-06-28 | 2006-01-12 | Ricoh Co Ltd | Process cartridge image forming apparatus |
| JP4548772B2 (en) * | 2004-06-28 | 2010-09-22 | 株式会社リコー | Process cartridge and image forming apparatus |
| JP2008201532A (en) * | 2007-02-20 | 2008-09-04 | Saxa Inc | Support structure for roller |
| JP2009040512A (en) * | 2007-08-06 | 2009-02-26 | Kyocera Mita Corp | Paper feeder and image forming device having the same |
| JP2010150022A (en) * | 2008-12-26 | 2010-07-08 | Ricoh Co Ltd | Paper aligning device, paper stacking device, and image forming device |
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